Azure Core Architectural Components Flashcards

Which Azure architectural concept provides fault isolation through independent power, cooling, and networking?

Answer: Availability zones

Each availability zone has independent power, cooling, and networking to isolate faults within a region.

A startup wants to separate billing for its marketing app and its finance app. What should it use?

Answer: Separate subscriptions

Using separate subscriptions cleanly separates billing and access boundaries for different workloads.

What is true about availability zones and latency?

Answer: Zones in a region are connected by high-speed, low-latency links

Availability zones within a region are connected by high-speed, low-latency private fiber.

Which resource organization choice best supports applying consistent tags and access control to a project's resources?

Answer: Place them in the same resource group

A resource group is a natural scope for applying tags and role-based access control consistently.

Why might an organization choose a region that is not the closest to its users?

Answer: A specific service or compliance requirement is only available in that region

Some services or compliance needs are only met in particular regions, overriding pure proximity.

Which statement correctly distinguishes a region pair from an availability zone?

Answer: A region pair spans two regions; a zone is within one region

Region pairs link two regions for disaster recovery, while availability zones provide isolation inside a single region.

What does Azure use to ensure that updates and maintenance are not applied to both regions in a pair simultaneously?

Answer: Sequential planned maintenance across the pair

Planned Azure updates are rolled out sequentially across paired regions to avoid downtime in both at once.